Patents by Inventor James J. Tucker

James J. Tucker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Methods and apparatus for controlling access to information processed a multi-user-accessible digital computer
    Patent number: 4907268
    Abstract: Method and apparatus are disclosed for controlling access to information borne by information records installed in information recorders, which information recorders constitute a part of at least one digital computer system. The digital computer system is an unmodified general purpose digital computer, and each authorized accessant is supplied with an access control kit including a password issuing device and a record adapted to be installed in one of the recorders of that digital computer system.
    Type: Grant
    Filed: March 15, 1989
    Date of Patent: March 6, 1990
    Assignee: Enigma Logic, Inc.
    Inventors: Robert J. Bosen, James J. Tucker